/v0.2.3/ComfyUI_windows_portable_nvidia.7z startup script not working

### Expected Behavior

Double click on run_nvidia_gpu.bat and comfy_ui starts

### Actual Behavior

Cannot find file specified

### Steps to Reproduce

Download release, extract archive, double click on run_nvidia_gpu.bat

### Debug Logs

```powershell
setlocal
set CUR_WD=%~dp0
cd /d %CUR_WD%
%CUR_WD%/python_embeded/python.exe -s ComfyUI\main.py --windows-standalone-build
pause

Above is a suggested fix. thanks
```

### Other

setlocal
set CUR_WD=%~dp0
cd /d %CUR_WD%
%CUR_WD%/python_embeded/python.exe -s ComfyUI\main.py --windows-standalone-build
pause

Above is a suggested fix. thanks